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  2. Dermatologists Say These Are the Best Gentle Retinol Serums ...

    www.aol.com/dermatologists-editors-best-retinol...

    Retinol is an over-the-counter ingredient that promotes collagen production and enhanced cell turnover, explains Janiene Luke, M.D., a board-certified dermatologist at Loma Linda University’s ...

  3. Vitamin A - Wikipedia

    en.wikipedia.org/wiki/Vitamin_A

    According to a 2017 Cochrane review, vitamin A deficiency, using serum retinol less than 0.70 μmol/L as a criterion, is a major public health problem affecting an estimated 190 million children under five years of age in low- and middle-income countries, primarily in Sub-Saharan Africa and Southeast Asia.

  4. Retinol Serums Are All Sorts Of Good For Your Skin—Here Are ...

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    How Our Team Chose The Best Retinol Serums. For the past year, Women’s Health editors, including senior e-commerce editor Neha Tandon and editorial assistant Addison Aloian researched and tested ...

  5. Retinol - Wikipedia

    en.wikipedia.org/wiki/Retinol

    Retinol was discovered in 1909, isolated in 1931, and first made in 1947. [6] [7] It is on the World Health Organization's List of Essential Medicines. [8] Retinol is available as a generic medication and over the counter. [1] In 2021, vitamin A was the 298th most commonly prescribed medication in the United States, with more than 500,000 ...

  6. The 8 Best Vitamin A Serums That Smooth and Even Skin ... - AOL

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    Rapid Wrinkle Repair Retinol Serum. With this retinol serum, a little goes a long way. You only need a pea-sized amount for your face and neck, and the silky texture sinks into the skin instantly.

  7. Vitamin A deficiency - Wikipedia

    en.wikipedia.org/wiki/Vitamin_A_Deficiency

    Vitamin A supplementation of children under five who are at risk of VAD has been found to reduce all‐cause mortality by 12 to 24%. [29] Side effects of vitamin A supplements are rare. Vitamin A toxicity is a rare concern associated with high levels of vitamin A over prolonged periods of time.